CN1700341A - Method, medium, and apparatus for deleting data and method, medium, and apparatus for restoring deletion data - Google Patents

Method, medium, and apparatus for deleting data and method, medium, and apparatus for restoring deletion data Download PDF

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Publication number
CN1700341A
CN1700341A CNA2005100706608A CN200510070660A CN1700341A CN 1700341 A CN1700341 A CN 1700341A CN A2005100706608 A CNA2005100706608 A CN A2005100706608A CN 200510070660 A CN200510070660 A CN 200510070660A CN 1700341 A CN1700341 A CN 1700341A
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China
Prior art keywords
deletion
data
recording medium
playitem
positional information
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Granted
Application number
CNA2005100706608A
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Chinese (zh)
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CN100594549C (en
Inventor
郑春植
咸喆熙
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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Publication of CN1700341A publication Critical patent/CN1700341A/en
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Publication of CN100594549C publication Critical patent/CN100594549C/en
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
    • D04C1/00—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
    • D04C1/02—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof made from particular materials
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G11B27/034—Electronic editing of digitised analogue information signals, e.g. audio or video signals on discs
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04D—TRIMMINGS; RIBBONS, TAPES OR BANDS, NOT OTHERWISE PROVIDED FOR
    • D04D9/00—Ribbons, tapes, welts, bands, beadings, or other decorative or ornamental strips, not otherwise provided for
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
    • G11B27/322—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier used signal is digitally coded
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H04N21/8455—Structuring of content, e.g. decomposing content into time segments involving pointers to the content, e.g. pointers to the I-frames of the video stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/84—Television signal recording using optical recording
    • H04N5/85—Television signal recording using optical recording on discs or drums
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
    • H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal
    • H04N9/8227—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal the additional signal being at least another television signal
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2541—Blu-ray discs; Blue laser DVR discs

Abstract

A method, medium, and apparatus for deleting and/or restoring time-series contents stored in a recording medium. When the time-series contents are stored in the recording medium, deleting of data that is present in a first area of a recording medium includes periodically inserting a time stamp into the contents, generating deletion data positional information based on the time stamp, the deletion data positional information representing a relative position of the deletion data within the contents, storing the deletion data positional information and the deletion data in a second area of the recording medium, and designating the first area as overwritable on the recording medium. Even if the recording medium is reloaded in another disk drive and under another operating system, data deleted from the recording medium can be easily restored.

Description

Method, medium and the equipment of deleted data and reduction deleted data
The application requires the interests at the 10-2004-0035082 korean patent application of Korea S Department of Intellectual Property submission on May 18th, 2004, and this application is complete to be disclosed in this for reference.
Technical field
Embodiments of the invention relate to method, medium and the equipment of deleted data and reduction deleted data, more particularly, relate to method, medium and the equipment of deletion time series content and method, medium and the equipment of the time series content that reduction is subsequently deleted.
Background technology
Play and/or player/recorder that record for example is used to the video and audio content of broadcasting is popularized widely.Because broadcast standard trends towards becoming digital format, so the user has to attempt for various forms conversion content in every way.Conversion a kind of comprises the ability that some contents were selectively write down or at random edited in maintenance.
In addition, the record standard of hard disk drive (HDD), digital universal disc (DVD), blue-ray DVD and so on comprises the ability that editor is stored in the content in the corresponding recording medium.Such edit capability can comprise the ability of record, deletion and mobile particular data, also comprises the additional information of for example thumbnail that regeneration and storage and corresponding content be associated, mark, navigation picture and so on.
The standard of these recording mediums is associated with standards for digital broadcasting.Therefore, in the time series content such as video or audio frequency, the technology of selectively deleting from a special time to the data of another special time is carried out widely.
One of method of reduction deleted data is " Microsoft Windows " TM " recycle bin " in recording medium, and " recycle bin " is the application program that is used for personal computer (PC).
Yet, under the situation of recycle bin,, have only the recycle bin application program to have the information of the position of deletion if data are deleted by the user, this information is not stored in the recording medium.Therefore, if this recording medium that comprises the data of deletion is inserted into another PC or by another operating system and accessed, then the user can not reduce the data of deletion.
Fig. 1 illustrates the bibliographic structure of traditional Blu-ray disc recording medium.
Root directory, i.e. BDAV catalogue comprises " info.bdav " that comprise volume information, comprises " menu.xxx " of menu thumbnail information and comprises " mark.xxx " of mark thumbnail information.In addition, root directory comprises PLAYLIST, CLIPINF and the STREAM catalogue as sub-directory.These files and catalogue will be further described now.
Menu.xxx file and mark.xxx file comprise thumbnail information.
Be derived from the term " thumbnail " of " image of thumbnail size ",, show relatively large original image with little image in order more promptly to retrieve or manage a large amount of images or data.N has multiplexed voice data and/or the audio/video of video data (A/V) bit stream can be stored in the recording medium that has wherein defined traditional thumbnail." bit stream " refers to data or " program " that has wherein write down such as the content of vidclip or music video.
Two kinds of thumbnails can be arranged.A kind of can be the menu thumbnail of representing corresponding content, and another kind can be the mark thumbnail of representative by the scene of mark appointment.
The menu thumbnail is used as representative image so that the user can select the image wanted on menu screen.Because menu can be by the configuration of graduation ground, so the menu thumbnail also can be by the configuration of graduation ground.In other words, the menu thumbnail comprises the sketch map and as the playlist thumbnail of sub-directory of crispaturaing of the whole volume of representative.
The mark thumbnail is used to discern the content corresponding to the position of the mark that is inserted into video or audio fragment or playlist.
" menu.tidx " is the file that storage is used to seek the call number of menu thumbnail image data, and " menu.tdt " is the file of the actual menu thumbnail image data of storage." mark.tidx " is the file that storage is used to seek the call number of mark thumbnail image data, and " mark.tdt " is the file of the actual mark thumbnail image data of storage.
PLAYLIST directory stores play list file.
One or more programs can be stored in the recording medium, and a program can have one or more playlists.
Playlist is the broadcast unit that a program is divided into a plurality of parts.Usually, playlist is produced by the editting function that is provided by digital player or register.The playlist of " Today's news " program is presented among Fig. 1.This playlist comprises one or more playitem.As shown in Figure 1, this playlist comprises eight playitem.Each playitem is the time series part of separating of same program.Real data separately is called as video segment.Therefore, Shi Ji record unit is a video segment.Be called as frag info in fragment by the positional information of the fragment of actual storage in recording medium wherein.
Play list file is divided into real play list file (xxxx.rpls) and virtual playlist file (xxxx.vpls).The real play list file is the playitem and the fragment play list file one to one that is real data that is contained in therein in the playlist.The virtual playlist file is the playlist corresponding to the playitem of one or more fragments of having that comprises the playitem that produced arbitrarily by the user.
Play list file comprises playlist data and label information data.
Playlist data has a plurality of playitem data.Playitem data are connected to a frag info and define the method for playing the Segment A V flow data that is connected to this frag info.Each playitem is represented the interior time point information (start time and concluding time) of corresponding content of corresponding fragment and this homologous segment.For example, with reference to Fig. 1, the playitem that is included in the play list file 31 of xxxxx.rpls form has following broadcast information: " sheet name section: A, temporal information: 00:00-25:30 ".Segment A can use this broadcast information to play.
Simultaneously, flag data represents to operate the needed total data of bookmark function that is provided with by the user.Bookmark function is the function of the positional information that mark is wanted on play content.The positional information of wanting can be used thumbnail and be identified, and to represent the image of the position of mark be the mark thumbnail.
Frag info is stored in the CLIPINF catalogue.Filename and extension name are xxxx.clpi.As mentioned above, frag info comprises the corresponding positional information of fragment on the physical record medium.Positional information is the physics or the logical address of recording medium.
Fragment is actual AV data and is stored in the STREAM catalogue.Under the situation of MPEG2 file, file extension is " m2ts ", and under the situation of DV stream, file extension is " dvsd ".Filename will be identical with the filename of clip information file.For example, when planning to read corresponding fragment in play operation, the positional information of corresponding fragment can be read from the clip information file with identical filename.
Fig. 2 further illustrates the info.bdav of Fig. 1.
Info.bdav 40 storage is as the BDAV_Volume 41 of volume information with as the TableOfPlayList 42 of playlist arrangement information.
BDAV_Volume 41 comprises the UIAppInfoVolume 43 of the attribute information of storage volume, and UIAppInfoVolume 43 comprises the ref_thumbnail_index 45 of call number that storage is used to discern the thumbnail of expression volume.
TableOfPlayList 42 comprises the UIAppInfoPlayList44 of the attribute information of storing playlist, and UIAppInfoPlayList 44 comprises the ref_thumbnail_index 46 of call number that storage is used to discern the representative image of playlist.
Fig. 3 further illustrates the xxxx.rpls of Fig. 1.
Xxxx.rpls 50 comprises the PlayListMark 51 of label information that storage is additional to playlist, and PlayListMark 51 comprises storage and is used to discern ref_thumbnail_index 52 corresponding to the call number of the mark thumbnail of mark.
Fig. 4 further illustrates the zzzzz.clpi of Fig. 1.
Zzzzz.clpi 60 comprises the ClipMark 61 about the information of mark that storage is additional to fragment, and ClipMark 61 comprises storage and is used to discern ref_thumbnail_index 62 corresponding to the call number of the mark thumbnail of fragment label.
Fig. 5 illustrates the display screen 70 that can show the output unit of thumbnail thereon traditionally.
With reference to Fig. 5, menu breviary Figure 71 of program and playlist flatly is presented at the top of screen, and is vertically shown corresponding to playlist or mark breviary Figure 72 of being inserted into the mark in the fragment in the corresponding playlist.Such menu thumbnail or mark thumbnail are the images of the audio/video content of the recording medium below the representative.
Yet in so traditional bibliographic structure, the data that the user wants to delete are that unit is deleted with the fragment.The information of fragment about deletion is that frag info, playlist data and flag data no longer are stored in the recording medium thus.In other words, the classic method of deletion content can not revert to the original position to the fragment of deletion.
Summary of the invention
Embodiments of the invention are provided for deleting and/or method, medium and the equipment of restoring data, wherein, even recording medium is written at another reproducer or by another operating system (O/S), still can be reduced easily from the data of this recording medium deletion.
In order to realize top and/or other aspect and advantage, embodiments of the invention have been illustrated a kind of method of deleting time series data in recording medium, these data are in the first area of recording medium, and this method comprises: periodically timestamp is inserted in the content of recording medium; Want the deleted positional information of data in content based at least one timestamp generation; This positional information with want deleted data storage in the second area of recording medium; With the first area of recording medium is appointed as and can be override with deleted data.
In addition, this method can comprise generation and wants the deletion thumbnail of picture of deleted data so that the user can discern the data of deletion as representative.
The generation of deletion thumbnail can comprise the deletion thumbnail positional information that produces the positional information of expression deletion thumbnail on recording medium.In addition, the generation of deletion thumbnail can also be included in storage deletion thumbnail and deletion thumbnail positional information in the second area of recording medium.The deletion thumbnail can use and be included in the picture image in the data of wanting deleted and produced.The deletion thumbnail also can use by the picture image of user's input and be produced.
In addition, the data of deletion can be recorded in the second area.In addition, second area is appointed as to override and is wanted deleted data with deletion for good and all.
The generation of deleted data positional information can comprise based on user's deletion initiation command and delete deletion start time and the deletion concluding time that the finish command produces the data of wanting deleted.But the generation of deleted data positional information also can be based on the position by the random access of wanting deleted data of the moving image standard definition of wanting deleted data.In addition, deleted data can be that the generation of MPEG2 data and deleted data positional information can be based on the position of I-picture in the MPEG2 data.In addition, the generation of deleted data positional information can comprise generation and approaches position by the I-picture of the picture of user's deletion initiation command and the appointment of deletion the finish command most as deletion start time and deletion concluding time.
In order to realize top and/or other aspect and advantage, the method of deletion playitem when embodiments of the invention have been illustrated a kind of time series content when recording medium and are represented as playlist, each playlist comprises one or more playitem, and this method comprises: at least one timestamp is inserted in the content; Produce the positional information of the playitem of wanting deleted based on this at least one timestamp and user's delete command, this positional information is wanted the deleted time location information of playitem in content among being illustrated in playitem; Extract as the frag info of the spatial positional information in this recording medium of wanting deleted playitem with as the fragment of the AV flow data of the reality of wanting deleted playitem; With storage this positional information, this frag info and this fragment in this recording medium.
This method can also comprise: produce the deletion thumbnail of representing the playitem of wanting deleted; Be connected to each other with producing corresponding to the deletion thumbnail index of deletion thumbnail and deletion thumbnail and deletion thumbnail index.Deletion thumbnail and deleting being connected and can comprising of thumbnail index: the playlist data in playlist is stored in record position information in the zone of recording medium wherein; Be stored in record deletion thumbnail index in wherein the zone with flag data in playlist.This method can comprise: from playlist deletion and the data that will deleted playitem be associated; From the clip information file deletion that comprises frag info and the data that will deleted playitem be associated; With from the clip file deletion that comprises fragment and the data that will deleted playitem be associated.
In order to realize top and/or other aspect and advantage, embodiments of the invention have been illustrated a kind of method of data of reducing deletion, the time series content of these data from be stored in recording medium is deleted, this method comprises: extract the positional information of the data of deletion from the first area of recording medium, the relative position of data in content of this Data Position information representation deletion; Extract the data of deletion from the second area of recording medium; With based on the positional information of extracting, the data of the deletion of extraction are inserted in the original position in the content in the zone except first and second zones of the data that are used for deleting.
The generation of positional information can be based on the timestamp that periodically is inserted in the content.In addition, positional information can comprise deletion start time and the deletion concluding time that is formerly produced based on user's the deletion initiation command that before is used to the data of deleting and deletion the finish command.In addition, but positional information can be based on by being produced corresponding to the position of the random access of the moving image standard definition of wanting deleted data.The data of deletion can be MPEG2 data and positional information based on the I-picture in the MPEG2 data the position and produced.
In order to realize top and/or other aspect and advantage, embodiments of the invention have been illustrated a kind of method of deleting playitem of reducing, deleted among the playitem of this playitem from the recording medium, wherein, the time series content of recording medium is represented as the playlist that comprises one or more playitem, and this method can comprise: the playitem of selecting the deletion of plan reduction; From first area extract location information, the frag info of recording medium and the playitem fragment of deleting, this positional information is the time location information of playitem in content of the deletion of selection, this frag info is the spatial positional information of playitem in recording medium of deletion, and the playitem fragment of this deletion is the AV flow data of reality of the playitem of deletion; The information that is associated with the playitem of deleting with reduction in the playlist of the correspondence of recording medium.
Can comprise with the reduction of the information that is associated of playitem of deletion: by in playlist, reducing the playitem of deletion being recorded in by the fragment name of the playitem appointment of deletion and positional information by this positional information appointed positions.This method can also comprise: the playitem fragment of the deletion of extracting and the playitem frag info of deletion are stored in respectively in the second area and the 3rd zone of recording medium.Recording medium is a Blu-ray disc, and second area can be that the AV flow data of playitem is stored in STREAM catalogue wherein, and the 3rd zone can be that the positional information of playitem on recording medium is stored in CLIPINF catalogue wherein.
In order to realize top and/or other aspect and advantage, embodiments of the invention have been illustrated a kind of like this recording medium, and its content area, storage that comprises sequence content storage time is from the deleted data zone of the data of content area deletion and be used for the reduction of data of deletion to the data of the expression deletion of the content area deleted data positional information zone at the relative position of content area.
Recording medium can be DVD or Blu-ray disc, and the deleted data positional information can be based on play list file x.rpls, y.vpls and/or clip information file z.clpi and produced.Here, x, y can be identical identifiers with z.Deleted data positional information zone can be different from play list file or clip information file and be stored in wherein zone.
Medium can comprise the deletion thumbnail zone of deletion thumbnail of the data of storage representation deletion.The deletion thumbnail positional information of the position of all right storage representation deletion thumbnail on recording medium, deletion thumbnail zone.This recording medium can be DVD or Blu-ray disc, and deletion thumbnail and deletion thumbnail positional information can usage flag index file x.tidx and flag data file y.tdt and being stored in the deletion thumbnail zone.
In order to realize top and/or other aspect and advantage, embodiments of the invention have been illustrated a kind of comprising and have been realized that deletion is stored in the medium of instruction of the method for the data among the time series content in the recording medium, want deleted data to be present in the first area of recording medium, this method comprises: periodically timestamp is inserted in the content; Produce positional information based on timestamp, this positional information is represented the relative position of data in content deleted; The data storage of this positional information and deletion in the second area of recording medium; With specify the first area on recording medium is the zone that can override.
In addition, in order to realize top and/or other aspect and advantage, embodiments of the invention have been illustrated a kind of medium that comprises the computer-readable instruction of realizing the embodiment of the invention.
In order to realize top and/or other aspect and advantage, embodiments of the invention have been illustrated a kind of record and/or reproducer that comprises the controller of the pick-up of realizing the embodiment of the invention and control pick-up.
Aspect that the present invention is other and/or advantage will be partly articulated in the following description, and partly clear by describing, and perhaps can understand by implementing the present invention.
Accompanying drawing is represented
In conjunction with the drawings its exemplary embodiment is described in detail, top characteristic and advantage with other of the present invention will become clearer, wherein:
Fig. 1 illustrates the bibliographic structure of traditional recorded in blue medium;
Fig. 2 illustrates the info.bdav of Fig. 1;
Fig. 3 illustrates the xxxx.rpls of Fig. 1;
Fig. 4 illustrates the zzzzz.clpi of Fig. 1;
Fig. 5 is illustrated in the display screen that shows the output unit of thumbnail on it traditionally;
Fig. 6 is the process flow diagram that illustrates according to the method for the deleted data of the embodiment of the invention;
Fig. 7 illustrates the process flow diagram of the method for deleted data according to another embodiment of the present invention;
Fig. 8 illustrates the file structure of recording medium according to an embodiment of the invention;
Fig. 9 illustrates the inner structure that is shown in the play list file among Fig. 8 according to an embodiment of the invention;
Figure 10 is the realization example that is shown in the Del_PlayItemMark () among Fig. 9 according to an embodiment of the invention;
Figure 11 is the process flow diagram according to the method for the file structure deleted data of Fig. 8 according to the embodiment of the invention;
Figure 12 illustrates the display screen according to the output unit that shows thumbnail thereon of the embodiment of the invention; With
Figure 13 is the process flow diagram of the method for raw content also from the recording medium of file structure with Fig. 8 that illustrates according to the embodiment of the invention.
Embodiment
To be described in detail the embodiment of the invention now, its example shown in the accompanying drawings, wherein, identical label is represented same parts all the time.Below with reference to the accompanying drawings embodiment is described to explain the present invention.
Fig. 6 is the process flow diagram that illustrates according to the method for the deleted data of the embodiment of the invention.
With reference to Fig. 6, in operation steps 610, timestamp is periodically inserted can be stored in full content in the recording medium with what time series was played.In the present embodiment, per 188 bytes are inserted 4 byte times stamp.For example, if the I-picture, that is, the size of reference picture is about 10 kilobyte, and then about 55 timestamps are inserted into reference picture.Hereinafter, time location information can be represented by timestamp fully.
In operation steps 620, based on user's delete command and timestamp, the deleted data positional information of time location information is produced in the content of the part of expression deletion.User's delete command can be transfused to by the user interface that provides on digital player or the register, and comprises removal request start time and removal request concluding time.The removal request start time, from then on the part of wanting to delete put beginning corresponding to a time point of still frame, and the removal request concluding time corresponding to a time point of still frame, want the part of deleting to finish at this point.Speak briefly, though record and/or reproducer be expression here, traditional control that for example comprises by optical pickup apparatus realizes that the record of controller of the embodiment of the invention and/or reproducer can easily be pushed away by those skilled in the art.
By the principle of the random access in several moving image standards, but the position of random access always is not complementary with removal request start time and removal request concluding time.Therefore, but approach most can be listed in deletion start time and deletion concluding time by removal request start time of user input and removal request concluding time and with corresponding time of time location of random access under the moving image standard of recording medium content.Each moving image defines the time point that can visit randomly of this moving image, and for example, in MPEG2, the time point of I-picture can be the time point that can visit randomly.
Hereinafter, the content part from the deletion start time to the deletion concluding time will be defined as Delete PlayItem (DPI).
In operation steps 630, deleted data positional information and deleted data are stored in the specific region of recording medium.Here, the specific region of recording medium refers to the catalogue that defines in addition in the standard of recording medium.
In operation steps 640, the original area of the storage deleted data of recording medium is designated as and can overrides.Although by user's delete command deleted data can by the data of deletion therein deleted but still the zone that exists on override data and for good and all deleted at another time point.
Fig. 7 illustrates the process flow diagram of the method for deleted data according to another embodiment of the present invention.
With reference to Fig. 7, in operation steps 710, timestamp is periodically inserted can be stored in full content in the recording medium with what time series was played.
In operation steps 720, based on user's delete command and timestamp, the deleted data positional information of time location information can be produced in the content of the deleted data of indicating.
In operation steps 730, represent the deletion thumbnail of DPI to be produced to allow the User Recognition deleted data.The picture that can use the still frame of the position that is comprised in deletion or be imported by the user produces the deletion thumbnail.
In operation steps 740, produce deletion thumbnail index by giving deletion thumbnail allocation index.
In operation steps 750, deleted data positional information, deleted data, deletion thumbnail index and deletion thumbnail are stored in the specific region of recording medium.
In operation steps 760, the original area of the data that the storage of recording medium will be deleted is designated as and can overrides.
Fig. 8 illustrates the file structure of recording medium according to an embodiment of the invention.
Except the DPI catalogue, the file structure of Fig. 8 and the file structure of Fig. 1 are similar.In the DPI catalogue, DPI file xxxx.dpli can store with the filename identical with xxxx.rpls.
As shown, the DPI file can comprise about being comprised in the information of the DPI in the play list file with filename identical with the DPI file.In other words, DPI file xxxx.dpli can comprise: (i) the DPI positional information 802, and it has the deletion start time and the deletion concluding time of the playitem of deleting in the playlist of correspondence; (ii) the DPI frag info 804, and it is the spatial positional information on recording medium of DPI; (iii) the DPI fragment 806, and it is the AV flow data of the reality of DPI.
Fig. 9 illustrates the inner structure that is shown in the play list file among Fig. 8 according to an embodiment of the invention.
Described at Fig. 1, play list file 900 can comprise playlist data and flag data.
Playlist data can comprise a plurality of playitem data.Article one, play entry data and be connected to a frag info, thereby the method for the fragment that is connected to this frag info is play in definition.Each playitem comprises the interior temporal information (play start time and broadcast concluding time) of corresponding content of corresponding fragment name and homologous segment.Simultaneously, flag data represents to carry out the needed total data of bookmark function that is provided with by the user.
Playlist data is stored among the PlayList () 950.PlayList () 950 comprises PlayItem () 960 and Del_PlayItem () 970.Only the descriptor XXXX () that uses together with these file types (for example, PlayList, PlayItem and Del_PlayItem) is can be with the identifier of the data of computer-readable code or instruction interpretation.
PlayItem () 960 is present in traditional play list file structure, and it comprises by the fragment name of playitem appointment and the time location information of this corresponding fragment.
Del_PlayItem () the 970th is according to the description of embodiment of the invention redetermination.Del_PlayItem () 970 can comprise: (i) DPI quantity, (ii) DPI title, (iii) DPI ID and (iv) DPI positional information.
Flag data is stored among the PlayListMark () 910.PlayListMark () 910 comprises PlayItemMark () 920 and Del_PlayItemMark () 930.
PlayItemMark () the 920th is present in the part in traditional play list file, and it comprise the quantity of inserting the mark in the playitem, mark title, wherein be inserted into the playitem ID of mark, by the index ref_thumbnail_index and the mark position mark_time_stamp of the thumbnail of the mark appointment of correspondence.
Del_PlayItemMark () the 930th is according to the description of embodiment of the invention redetermination.DelPlayItemMark () 930 can comprise: (i) DPI mark quantity, (ii) DPI mark title, (iii) wherein be inserted into the DPI ID of mark, (iv) by the index ref_thumbnail_index of the thumbnail of the DPI mark appointment of correspondence and (v) DPI mark position mark_time_stamp.Here, the DPI mark shows the mark of representing corresponding DPI.As mentioned above, the index of DPI mark thumbnail is stored among the mark.tidx and DPI mark thumbnail itself is stored among the mark.tdt, thereby allows the user visually to its identification.According to embodiments of the invention, the embodiment of Del_PlayItemMark () is displayed among Figure 10.
Figure 11 is the file structure according to Fig. 8, that is, under the situation when recording medium is Blu-ray disc, the process flow diagram of the method for deleted data.
In operation steps 1110, timestamp is periodically inserted can be stored in full content in the recording medium with what time series was played.
In operation steps 1120, based on user's delete command and timestamp, the DPI positional information that is illustrated in the time location information in the content of DPI is produced.Here, the DPI positional information is represented the deleted data positional information of the fragment of deleting.
In operation steps 1125, from the clip information file zzzz.clpi of the playitem of correspondence and clip file zzzz.m2tx, extract DPI fragment and DPI frag info corresponding to the DPI positional information.Here, the DPI frag info is represented the positional information of fragment on recording medium corresponding to the DPI of deletion, and the DPI fragment is represented the AV flow data corresponding to the reality of DPI.
In operation steps 1130, DPI positional information, DPI frag info and DPI fragment are stored among the DPI file xxx.dpli of DPI catalogue on the recording medium.In other words, a DPI file comprises DPI positional information (the time location information of the playitem of deletion in content), DPI frag info (spatial positional information of playitem data on recording medium of deletion) and DPI fragment (real data of the playitem of deletion).A DPI file can comprise the part of one or more playitem or playitem.
In operation steps 1140, represent the deletion thumbnail of DPI to be produced.The deletion thumbnail can be selected among the still frame in being contained in the DPI fragment, and perhaps the picture by user's input can be used.
In operation steps 1150, number produce deletion thumbnail index ref_delete_thumbnail_index by giving deletion thumbnail allocation index.
In operation steps 1160, the DPI positional information is recorded on the PlayList (), and playlist data is stored in the corresponding playlist in PlayList (); And deletion thumbnail index is recorded on the PlayListMark (), and flag data is stored in the corresponding playlist in PlayListMark ().Their detailed description will be illustrated below in more detail.
In operation steps 1170, the deletion thumbnail is stored in the mark.tdt under the root directory, and deletion thumbnail index is stored among the mark.tidx, thereby deletion thumbnail and deletion thumbnail index are connected to each other.
In operation steps 1180, former play list file xxx.rpls is updated by the corresponding playitem of playitem of deletion from former play list file xxx.rpls with deletion.
In operation steps 1190, clip information file xxx.clpi and clip file xxx.m2ts are by from being updated corresponding to the frag info and the flow data of deletion the former clip information file xxx.clpi of DPI fragment and the clip file xxx.m2ts corresponding to the DPI fragment.
Although the fragment of deletion and be stored in respectively in STREAM catalogue and the CLIPINF catalogue about the frag info of fragment of deletion, the zone of these catalogues is designated as and can overrides.Therefore, have such effect, information is deleted from recording medium, and thus, catalogue further writes down for the user and becomes and can utilize.
Figure 12 illustrates the display screen that shows the output unit of thumbnail thereon according to of the present invention.
With reference to Figure 12, thumbnail 1200 and 1210 is menu thumbnails, and thumbnail 1220 is mark thumbnails.Flatly be presented at the top of display screen about the menu thumbnail 1201 to 1203 of program and playlist, and vertically shown corresponding to playlist or the mark thumbnail 1211 to 1233 that is inserted into the mark in the fragment in the corresponding playlist.
Among mark thumbnail 1220, mark thumbnail 1240 is DPI mark thumbnails.As shown, DPI mark thumbnail 1241 to 1243 is displayed to the user and is different from other mark thumbnail 1211 to 1233.This is intended to allow the user to recognize the deletion of DPI.The user can be by clicking the restoring operation that DPI carries out DPI.
Figure 13 is the process flow diagram of the method for raw content also from the recording medium of file structure with Fig. 8 that illustrates according to the embodiment of the invention.
In operation steps 1310, the DPI that the user selects the user to plan to reduce.DPI can be selected in two ways.First kind of mode is to select the DPI thumbnail on the display screen in being shown in Figure 12, and the second way is to select the DPI file in the file structure of Fig. 9.
In operation steps 1320, the DPI positional information of the DPI of selection, DPI frag info and DPI fragment are extracted.For example, such information can be extracted from the DPI file (zzzz.dpli) with the identical filename of the playlist that belongs to corresponding DPI.
In operation steps 1330, the DPI fragment of extraction and DPI frag info are stored as new segment message file and new segment file respectively in STREAM catalogue and CLIPINF catalogue.
In operation steps 1340, corresponding playlist is updated as new playitem by fragment name and the DPI positional information that is write on the specified position by the DPI positional information of correspondence in the playlist that comprises corresponding DPI by the DPI appointment of correspondence.
In operation steps 1350, the DPI file is deleted.
Method according to the deletion content of the embodiment of the invention also can for example, be implemented as computer-readable code or instruction in the computer readable recording medium storing program for performing in medium.This medium can be that any can store/send thereafter can be by the data storage/dispensing device of the data of computer system reads.The example of medium comprises for example tape, optical data storage device, carrier wave and so on.
As mentioned above, even recording medium is written in another disk drive or under another operating system again, the data of deleting on this recording medium still can easily be reduced.With top similar, embodiments of the invention can be implemented by being used for reducing the computer readable code/instructions of medium of data of deletion.
Although shown and described some embodiments of the present invention, it should be appreciated by those skilled in the art, under the situation that does not break away from the principle of the present invention that defines its scope by claim and its equivalent and spirit, can make amendment to these embodiment.

Claims (41)

1, a kind of method of in recording medium, deleting time series data, these data are in the first area of recording medium, and this method comprises:
Periodically timestamp is inserted in the content of recording medium;
Want the deleted positional information of data in content based at least one timestamp generation;
This positional information with want deleted data storage in the second area of recording medium; With
The first area of recording medium is appointed as and can be override with deleted data.
2, the method for claim 1 also comprises:
Generation wants the deletion thumbnail of picture of deleted data so that the user can discern the data of deletion as representative.
3, method as claimed in claim 2, wherein, the generation of deletion thumbnail comprises:
Produce the deletion thumbnail positional information of the positional information of expression deletion thumbnail on recording medium.
4, method as claimed in claim 3, wherein, the generation of deletion thumbnail also comprises:
Storage deletion thumbnail and deletion thumbnail positional information in the second area of recording medium.
5, method as claimed in claim 2, wherein, the use of deletion thumbnail is included in the picture image in the data of wanting deleted and is produced.
6, method as claimed in claim 2, wherein, the deletion thumbnail uses by the picture image of user's input and is produced.
7, the method for claim 1 also comprises:
Second area is appointed as can override with deletion for good and all wants deleted data.
8, the method for claim 1, wherein the generation of deleted data positional information comprises:
The deletion start time and the deletion concluding time that produce the data of wanting deleted based on user's deletion initiation command and deletion the finish command.
9, method as claimed in claim 8, wherein, but the generation of deleted data positional information is based on the position by the random access of wanting deleted data of the moving image standard definition of wanting deleted data.
10, method as claimed in claim 9, wherein, deleted data is that the generation of MPEG2 data and deleted data positional information is based on the position of I-picture in the MPEG2 data.
11, method as claimed in claim 10, wherein, the generation of deleted data positional information comprises that generation approaches position by the I-picture of the picture of user's deletion initiation command and the appointment of deletion the finish command most as deletion start time and deletion concluding time.
The method of deletion playitem when 12, a kind of time series content when recording medium is represented as playlist, each playlist comprises one or more playitem, and this method comprises:
At least one timestamp is inserted in the content;
Produce the positional information of the playitem of wanting deleted based on this at least one timestamp and user's delete command, this positional information is wanted the deleted time location information of playitem in content among being illustrated in playitem;
Extract as the frag info of the spatial positional information in this recording medium of wanting deleted playitem with as the fragment of the AV flow data of the reality of wanting deleted playitem; With
Storage this positional information, this frag info and this fragment in this recording medium.
13, method as claimed in claim 12 also comprises:
Produce the deletion thumbnail of representing the playitem of wanting deleted.
14, method as claimed in claim 13 also comprises:
Generation is connected to each other corresponding to the deletion thumbnail index of deletion thumbnail and deletion thumbnail and deletion thumbnail index.
15, method as claimed in claim 14, wherein, the deletion thumbnail comprised with being connected of deletion thumbnail index:
Playlist data in playlist is stored in record position information in the zone of recording medium wherein; With
Record deletion thumbnail index in the zone in flag data is stored in wherein playlist.
16, method as claimed in claim 14 also comprises:
From playlist deletion and the data that will deleted playitem be associated.
17, method as claimed in claim 14 also comprises:
From the clip information file deletion that comprises frag info and the data of wanting deleted playitem to be associated, and from the clip file deletion that comprises fragment and the data that will deleted playitem be associated.
18, a kind of method of data of reducing deletion, the time series content of these data from be stored in recording medium is deleted, and this method comprises:
Extract the positional information of the data of deletion from the first area of recording medium, the relative position of data in content of this Data Position information representation deletion;
Extract the data of deletion from the second area of recording medium; With
Based on the positional information of extracting, the data of the deletion of extracting are inserted in the original position in content.
19, method as claimed in claim 18, wherein, the generation of positional information is based on the timestamp that periodically is inserted in the content.
20, method as claimed in claim 19, wherein, positional information comprises deletion start time and the deletion concluding time that is formerly produced based on user's the deletion initiation command that before is used to the data of deleting and deletion the finish command.
21, method as claimed in claim 19, wherein, but positional information is based on by being produced corresponding to the position of the random access of the moving image standard definition of wanting deleted data.
22, method as claimed in claim 21, wherein, the data of deletion be MPEG2 data and positional information based on the I-picture in the MPEG2 data the position and produced.
23, a kind of method of reducing the deletion playitem, deleted among the playitem of this playitem from the recording medium, wherein, the time series content of recording medium is represented as the playlist that comprises one or more playitem, and this method comprises:
Select the playitem of the deletion of plan reduction;
From first area extract location information, the frag info of recording medium and the playitem fragment of deleting, this positional information is the time location information of playitem in content of the deletion of selection, this frag info is the spatial positional information of playitem in recording medium of deletion, and the playitem fragment of this deletion is the AV flow data of reality of the playitem of deletion; With
The information that reduction is associated with the playitem of deleting in the playlist of the correspondence of recording medium.
24, method as claimed in claim 23, wherein, the reduction of the information that is associated with the playitem of deletion comprises:
By in playlist, reducing the playitem of deletion being recorded in by the fragment name of playitem appointment of deletion and positional information by this positional information appointed positions.
25, method as claimed in claim 23 also comprises:
The playitem fragment of the deletion of extracting and the playitem frag info of deletion are stored in respectively in the second area and the 3rd zone of recording medium.
26, method as claimed in claim 23, wherein, recording medium is a Blu-ray disc, and second area is that the AV flow data of playitem is stored in STREAM catalogue wherein, and the 3rd zone is that the positional information of playitem on recording medium is stored in CLIPINF catalogue wherein.
27, a kind of recording medium comprises:
Storage time sequence content content area;
Storage is from the deleted data zone of the data of content area deletion; With
Be used for the reduction of data of deletion to the data of the expression of content area deletion deleted data positional information zone at the relative position of content area.
28, recording medium as claimed in claim 27, wherein, this recording medium is DVD or Blu-ray disc, and the deleted data positional information is based on play list file x.rpls, y.vpls and/or clip information file z.clpi and produced.
29, recording medium as claimed in claim 28, wherein, x, y are identical identifiers with z.
30, recording medium as claimed in claim 28, wherein, deleted data positional information zone is different from play list file or clip information file and is stored in wherein zone.
31, recording medium as claimed in claim 27 also comprises the deletion thumbnail zone of deletion thumbnail of the data of storage representation deletion.
32, recording medium as claimed in claim 31, wherein, the deletion thumbnail positional information that the position of storage representation deletion thumbnail on recording medium gone back in deletion thumbnail zone.
33, recording medium as claimed in claim 32, wherein, recording medium is DVD or Blu-ray disc, and the deletion thumbnail is stored in deleting thumbnail positional information usage flag index file x.tidx and flag data file y.tdt in the deletion thumbnail zone.
34, realize that deletion is stored in the medium of instruction of the method for the data among the time series content in the recording medium a kind of comprising, deleted data to be present in the first area of recording medium, this method comprises:
Periodically timestamp is inserted in the content;
Produce positional information based on timestamp, this positional information is represented the relative position of data in content deleted;
The data storage of this positional information and deletion in the second area of recording medium; With
On recording medium, specify the zone of first area for overriding.
35, a kind of medium that comprises the computer-readable instruction of realizing method as claimed in claim 12.
36, a kind of medium that comprises the computer-readable instruction of realizing method as claimed in claim 18.
37, a kind of medium that comprises the computer-readable instruction of realizing method as claimed in claim 23.
38, a kind of record and/or reproducer that comprises the controller of the pick-up of realizing the method for claim 1 and control pick-up.
39, a kind of record and/or reproducer that comprises the controller of the pick-up of realizing method as claimed in claim 12 and control pick-up.
40, a kind of record and/or reproducer that comprises the controller of the pick-up of realizing method as claimed in claim 18 and control pick-up.
41, a kind of record and/or reproducer that comprises the controller of the pick-up of realizing method as claimed in claim 23 and control pick-up.
CN200510070660A 2004-05-18 2005-05-18 Method, medium, and apparatus for deleting data restoring deleted data Expired - Fee Related CN100594549C (en)

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